tree 3a03cd8dc2ac048f8187a979bb790486da1fc2cb
parent cabe971181ee812bd2cc1c654b8e601abcb5a533
author hermwong <herm.wong@gmail.com> 1340303923 -0700
committer hermwong <herm.wong@gmail.com> 1340303923 -0700

update the upgrading guide to 1.9.0